This part is a kind of semiconductor called BSC032N03SG.
Function of this product has Power Transistor.
Manufacturers : Infineon Technologies AG
Image and pinout :

Some of the text within the PDF file :
BSC032N03S G OptiMOS™2 Power-Transistor Features • Fast switching MOSFET for SMPS • Optimized technology for notebook DC/DC converters • Qualified according to JEDEC1 for target applications • Logic level / N-channel • Excellent gate charge x R DS(on) product (FOM) • Very low on-resistance R DS(on) • Superior thermal resistance • Avalanche rated; dv/dt rated • Pb-free lead plating; RoHS compliant • Halogen-free according to IEC61249-2-21 Type BSC032N03S G Package PG-TDSON-8 Marking 32N03S Product Summary V DS R DS(on),max ID 30 3.2 100 PG-TDSON-8 V mΩ A Maximum ratings, at T j=25 °C, unless otherwise specified Parameter Continuous drain current Symbol Conditions ID T C=25 °C T C=100 °C T A=25 °C, R thJA=45 K/W 2) Pulsed drain current Avalanche energy, single [ ... ]
BSC032N03SG PDF Datasheet Download
